Acknowledgments 1 Introduction in the Contemporary Uneasiness of Critique 2 Sociological Critique in Three Philosophical Antinomies 1 Where Are We When We Critique? 2 Philosophy and Sociology: the Durkheimian Difference 3 The Domain of Durkheimian Critique3 Society in the Mind 1 Spinoza and Kant: Substance and Form 2 "Une immense cooperation": a "second degree" Naturalism 3 A Necessary Force: the Social Beyond the Antinomies of Reason 4 Totality in History: Reason as Social Faculty4 The Institution of Justice 1 Hobbes: Justice Instituted 2 The Obligation of Moderns and the Unthought of Solidarity 3 Society as a Condition of Individualism and Property 4 The Durkheimian Institution of Justice 5 Conclusion5 The Authority of Revolution 1 Arendt: the Oblivion of Action and the Critique of the Social 2 Authority 3 Revolution 4 Constitution 5 Socialism and History: the Work of the Ideal6 Conclusion: the Critical Operations of Sociological Practice Bibliography Index.